EP Patent

EP1108423A1 — Powdery pernasal compositions

Assigned to Teijin Ltd · Expires 2001-06-20 · 25y expired

What this patent protects

Powdery pernasal compositions containing a drug having a particle diameter of less than 10 µm or a freeze-dried drug, a water-absorbing and hardly water-soluble base and a water-absorbing and gel-forming base. These compositions are excellent in drug absorbability.

USPTO Abstract

Powdery pernasal compositions containing a drug having a particle diameter of less than 10 µm or a freeze-dried drug, a water-absorbing and hardly water-soluble base and a water-absorbing and gel-forming base. These compositions are excellent in drug absorbability.

Drugs covered by this patent

dihydroergotamine-mesylate (DIHYDROERGOTAMINE MESYLATE)

Patent Metadata

Patent number: EP1108423A1
Jurisdiction: EP
Classification: —
Expires: 2001-06-20
Drug substance claim: No
Drug product claim: No
Assignee: Teijin Ltd
Source: FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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